Last cheque observed Sep 2026; 2 cheques observed across the 16 sources we track.
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What they say, and what they did
They say
Type
Family office
Cheque size
not stated
Stages
not stated
Cold pitches
not stated
From their own site: “Arbor Ventures is an established family office investment company created by entrepreneur and philanthropist, Chris Mathias.”
We observed
Rounds they appear in
2 (0 led)
Median round size
$129M not their cheque
Sole named investor
never
Last seen
Sept 2026
An announcement gives the size of the round, not the size of this investor's cheque. The only rounds that imply a cheque are those where they were the sole named investor.